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Патент USA US2404834

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July 30, 1946;
2,404,834 -
Filed April- 27, 1943 i
2 Sheets-Sheet l
//v VENTUF...
, $25
July 30,1946-
Filed April 27, 1945
2 Sheets-Sheet 2
Patented July 30, 1946
Joseph Fossa, Lynn, Mass-l, assignor to. United
Shoe, Machinery Corporation, Remington,
N‘. J‘., a corporation of New Jersey
Application April 27, 1943, Serial No. 484,689
4. Claims.
(01. 12-45095)
present invention. relates to shoe upper
lacing machines and more particularly to im
Pmvements in slack- forming and- measuring
?ngers for- lacingymachines which are arranged
to carry loops of lacing’ cord alternately through
the eyelets of ashoe upper and across the edges
edges, adjustments of they rod give an approxi
mation only of the correct lengths between suc
cessive lacings- inserted by the machine. As a
result, when the upper is applied to a last, the
strains exerted on the upper while being stretched
over the lastv may tend to distort it from its in
tended-; shape.
In the machine of inventor’s prior United
One object. or the present invention is to pro
States Letters Patent No. 2,106,320, granted, Jan
vide a machine for lacing eyeletted- shoe uppers
uary 25', 1,938, No. 2,281,686, granted May 5, 1-942, 10 having eyelets in- their edges arranged incurved
and, No. 2,327,345, granted August 24, 1943, there
or irregular rows. Another object. is so to ar
is provided; a plurality of lacingr mechanisms hav- .
ihg, a series of lacing needles for inserting a
separately fastened lacing within each pair of
aligned eyelets in a folded shoe upper, rI'he .15
folded upper is applied to the series of needles
which act. to carry the upper into operating posi
tion in the machine, and which thereafter are
reciprocated and alternately moved laterally ?rst
in one direction and then, in the other to, carry 20
range a lacing maQhine for operation upon up~
pers- having curved rows of eyelets, that a single
set, of adjustments. only is necessary for success
lE-ul operation on a particular style of shoe, the
machine being capable oi operating upon a full
range of shoe sizes having the same style Without
other adjustment.
With the above objects in view, an important
feature of the present invention consists in the
aseparate Strand of cord through each pair of
provision, in a machine having a series of lacing
aligned eyeletsjto. arm an individual lacing, ,TO
devices. operating to pass a series of individual
enable the laced upper to be opened out for ap
lacings through the aligned eyelets of a folded
plication to a last, the lacings are formed With. a
shoe upper, of quickly adjustable means for pro
predetermined amount of slack. To form, the 135 duc-i-ng slack in each- lacing in an amount differ
slack in the lacings, each needle during’ its, lateral
ing from one lacing’ toanother and departing
movement carries the lacing cord across a cord
from a uniform difference between successive lac
measuring ?nger which is'suitably spaced from
ings to the extent required by the curvatures in
the upper.
the‘ eyelet rows. In the preferred form of con
In the machine of, the patents, the cord meas
struction, the slack producing means comprises
uring ?ngers are arranged with easily manipu
measuring ?ngersso arranged asto be adjustable
lated adjustments for use with different styles
relatively to each other and, as illustrated herein,
and sizes of lasts to which the uppers, after being
the measuring fingers are also jointly adjustable
opened out, are applied. When applied to a
to: produce slack in each lacing progressively in
last, the eyeletted edges of the upper may extend
creasing in amount from one lacing to another
in parallel relation to each or with varying de
and, separately adjustable to produce slack in
grees of angular divergence from the toe end‘ of
each lacing in an amount departing from a uni
the edges towards the ankle opening in the
form progressive difference between successive
upper, depending on the style of last. To enable
this angular divergence to be changed, the meas
uring ?ngers are spaced from the upper to pro
vide uniformly and progressively increasing
lengths in successive lacings from theitoe end of
the eyelettededges towards thev ‘ankle opening.
With di?erent stylesof‘ lasts, the locations of the
measuring ?ngers are adjusted by changing the
positions of the ends of a rod against which the
measuring ?ngers are forced by the action of
These. and other features consist in the: con
structions, combinations and arrangements of
parts hereinafter described and claimed. The
advantagesof these features will readjdy be un
derstood from the following description taken
in connection with, the accompanying drawings,
(in which
Fig. lyiS a. perspective view of portions of a.
the lacing cords. in being drawn tightly through
shoe upper lacing. machine embodying the pres
ent invention, looking from; the front and right
the. eyelets of the upper. The measuring ?nger '
locating rod is straight. and, is e?ectivo in deter
mining the correct relative lengths of lacings
only when-the rows of eyelets in the upper are
approximately straight. If the eyelets are ar
ranged incurved rows along the eyeletted upper
Fig. 2 is a, detail perspective View, on_ an en
larged scale, of'the forward cord, engaging end
of a slack forming, cord measuring ?nger em
ployed in the machine of Fig. 1;
Fig. 3 is a. detailv view, looking irorn the right
> ?ngers 8 comprise the forward ends of a series
of levers fulcrumed on a rod [6 extending loosely
‘of the machine, of a series of measuring ?ngers
and a portion of the slack adjusting rod in the
through the series of lacing unit frames and
engaging at their rearward ends with a trans
verse rod I8 pivotally connected to arms 20 ?xed
to shafts 22 rotatable in the main frame of the
machine of Fig. 1;‘
Fig. 4 is a sectional view of the measuring
?nger and its supporting lever, as viewed along
the line IV-—l'.V of Fig. 3;
Fig. 5 is a view in front elevation of a portion
of the lacing unitsin the machine, indicating
machine to render all the ?ngers jointly adjusta
ble. During lacing operations, th'etension of the
lacing cords passing about the measuring ?ngers
?ngers when adjusted to a particular style of 10 causes each one to be forced against the rod,
the relative locations of the cord measuring
thereby de?nitely locating the measuring posi
shoe, with the lacing units spaced from each
When the style of upper
Fig. 6 is a detail side ‘view of the lace inserting 7 ‘operated upon requires the eyeletted edges to
tions of the ?ngers.
devices of the machine, indicating the mannerw diverge from the toe end of the edges towards
'15 the ankle‘opening of the upper, the position of
of operation'of the cord measuring ?ngers;
the rod [8 is adjusted with an inclination corre
' Fig. 7 is a view in front elevation of a portion
of the lacing units in the machine, together with . l sponding to the angle of divergence required
a gage for assisting in the adjustment of the. : between the upper edges. The inclination of the
rod I8 is adjusted by rotating the shafts 22 dif
Secured to the outer end of
‘each shaft 22yis an arm 24 having [a spring
Fig. 8 is a detail view of the gage itself; and
‘pressed operating handle 26 provided with 'a
Fig. 9 is a plan view of ‘a‘portion of a shoe
detent for holding the arm in adjusted position
having ‘eyelet rows inserted in curved and irregu
against a suitable toothed rack 21. The rod l8,
The illustrated lacing machine in construction 25 being straight, is effective to cause a series of
lacings to be inserted of progressively’ increasing
and mode of operation of vits lacing devices is
or decreasing length throughout the series,“ of
the same as the machine of the patents above
eyelets in the upper. The increase between sue.
videntified except as hereinafter set forth. The
cessive lacings, however, is uniform in amount
lacings are inserted througha series of eyelets
in a shoe upper while the upper is held clamped 30 so that, if the eyeletted edges are curved or the
eyelets are arranged in curved rows rather than
in folded relation with pairs of eyelets in oppo
?ngers while the lacing units are brought'to
20 ferent amounts.
‘in straight rows, the lengths of the‘ lacings will
not always be such as will insure uniform stretch
site sides in alignment. Eachv pair of aligned
eyelets operated upon, has inserted therein‘ a
length of cord formed into a series of enchained
loops, alternate ones of which are passed‘through
the eyeletsand the others of which are passed
ing of the upper over a last.
" ,'_
In Fig. 9 ‘an upper 28 is illustrated having
. curved eyeletted edges in which the eyelets are in
across the eyeletted edges of the upper to provide
serted in curved and irregular rows parallel to the
separate lacings, the bight portion of reach‘loop
acting to lock the previously formed loop in place.
edges.., Different sizesof shoe uppers constructed
Referring more particularly to'Fig. 6‘ of the
drawings, a section of ‘a folded shoe ‘upper is
indicated as clamped at 2 in operating position
relatively to a series of lacing devices'by a series
with the curvatures of the same style illustrated
have substantially ‘the sameeXtent of curvature
along their eyeletted edges from "the smallest size
upper to the'largest, the average inclination of
the eyeletted edges beingthe, same. If, an at
of pairs of clamping members 3 in the machine.
tempt is made to lace such a style of upper on
The lacing devices each comprise a reciprocating 45 the machine of the patents above referred to, di?ié
and laterally moving eye-pointed needle 4, a
culty is encountered as a result of certain ofvthe
_‘1ooper 6 and a slack forming, cord measuring . lacings being tensioned to a greaterextent than
?nger 8, each set of lacing devices being mounted
others when the upper is opened out for applica
in a frame It] and constituting a lacing unit,
tion to a last. This’, is the result of setting the
the spaces between which may be changed 50 machine to insert lacings with slack varying uni
equally and simultaneously. To change the spac
ing between the lacing units, the machine is pro
vided with a spacing mechanism including a .
series of links 12 connecting each frame I!) with
formity from one lacing to another.
, , Inorder to enable shoe uppers having eyeletted
edges of such curved or irregular. shapes to be
laced satisfactorily, the slack forming; . cord
a pivot on a spacing lever I4. With large sizes 55
measuring ?ngers 8 in the machineof the present
of shoe uppers the spacing lever‘ is actuated to
invention, are individually adjustable and are
separate'the lacing frames uniformly and with
each formed in two parts, as shown in Figs. 2 and
smaller sizes of uppersthe units are brought
nearer together.
4, the forward cord engaging portion 29 of which
It is the practice in certain types and styles 60 is adjustably mounted on the; supporting lever
portion indicated at 30. The measuring ?ngers
of shoes to insert the lacings in such a way that
in ‘the present machine are pivotally connectediat
the eyeletted edges will diverge from each other
'32 with the lever 33 and adjustably. secured in po
uniformly from the toe ends of the eyeletted
edges towards the ankle opening of' the upper' sition on the levers by the engagement of a tooth
‘when the upper is, stretched over, a last; To 65 34 oneach ?nger engaging one of a'se'ries of
grooves-36 on each lever 30. 'The cord engaging
obtain this result, successive cord measuring ?n
29 may readily be sprung aw'ay from‘the
gers are spaced from the upper'while being laced
‘lever portion 30 to disengage the tooth" 34 from
‘in the machine by uniformly increasing dis
the grooves 36 during adjustment. ‘To limit the
tances along the series of units. Between recip- ,
rocations of the needles 4, the lacing cord is 70 adjusting movement‘ of the ?ngers on the levers
in one direction, the ?ngers are each‘ provided
' drawn across each measuring ?nger so that the
with a lug 38 located to engage the under side of
length of each lacing increases progressively
the ‘forward end' of each lever. When the ?nger
"from one end of the series of- eyelets in the upper
is adjusted to a location closest to the upper, as
to the other.
As in the prior machine, the cord measuring 75 shown in Fig. 6, the‘ lug 38 prevents any possi
bili'ty of accidental engagement between the up
per and the ?nger during lacing operations.
The method of utilizing the adjustable cord
measuring ?ngers in the present machine is best
illustrated in Figs. 3, 5 and '7. The frames ll} of
the lacing units ?rst are brought together in po
sitions of their closest possible approach, as in
dicated in Fig. 7, by operation of the spacing
lever M. All of the measuring ?ngers 8 being
1. In a machine for lacing eyeletted shoe up
pers having curved or irregular rows of eyelets,
the combination with a series of lacing devices
arranged to pass a series of individual lacings
through the aligned eyelets of a folded shoe up
per, of quickly adjustable means for producing
slack in each lacing in an amount differing non
uniformly between successive lacings of the series.
2. In a machine for lacing eyeletted shoe up
raised on their respective‘levers 3!] until the lugs 10 pers having curved or irregular rows of eyelets,
38 engage the under side of the levers, a gage 40
the combination with a series of lacing devices
is brought into proximity with forward portions
arranged to pass a series of individual lacings
29 of the measuring ?ngers. The gage All is cut
through the aligned eyelets of a folded shoe upper
with a straight upper edge and a series of step
and a series of measuring ?ngers for producing
like surfaces 42, the positions of which are de
su?icient slack in the iacings to permit opening
termined by the relative lengths of successive
out of the upper for application to a last, of means
lacings in an upper of the style illustrated in Fig.
comprising levers separate from the ?ngers and
9. After bringing the ‘gage into proximity with
quickly adjustable connections for changing the
the measuring ?ngers, the inclination of the
relative positions of the measuring ?ngers on the
transverse rod I8 is changed to adjust jointly all 20 levers to cause the slack in successive lacings to
the cord engaging ends of the ?ngers and bring
differ non-uniformly between successive lacings.
them approximately into position against the sur
3. In a machine for lacing eyeletted shoe up
faces 42 on the gage. Thereafter, the two por
tions 29, 30 of each ?nger are relatively adjusted.
individually and locked, as above explained, to
bring the upper edge of portion 29 accurately
against the respective gage surface 42. For con
venience, the straight edge of the gage is brought
pers having curved or irregular rows of eyelets,
the combination with a series of lacing devices
arranged to pass a series of individual lacings
through the aligned eyelets of a folded shoe up
per, a series of measuring ?ngers for producing
suf?cient slack in the lacings to permit opening
into contact with the under sides of the lower
out of the upper for application to a last, and
clamping members 3 to ?x the location of the 30 means for adjusting the measuring ?ngers as a
gage while adjusting the measuring ?ngers. The
gage is then withdrawn from the machine and
the lacing units separated to bring the needles
into alignment with the eyelets of the upper.
With the adjustments of the measuring ?ngers 35
thus set, the full range of sizes from the smallest
to the largest upper of any particular curved
edged style may be operated upon to provide
group to produce slack in the lacings, of quickly
adjustable means comprising disengageable tooth
and groove connections for changing the location
of each measuring ?nger individually to vary the
amount of slack in different lacings.
4. A machine for lacing eyeletted shoe uppers
having, in combination, a series of needles ar
ranged to pass through the aligned eyelets of a
lacings having lengths that will insure satisfac
shoe upper, means for imparting recipro
tory lasting of the completely laced upper.
40 cating movements to the needles and for rela
By providing a separate gage of this nature
tively moving the upper and needles to cause each
whenever a new style of upper is being laced, a
needle to pass alternately over the edges of the
minimum of time will be required in adjusting
upper and through a pair of aligned eyelets, de
the cord measuring ?ngers separately to give the
vices cooperating with the needles to form a series
desired results. The gage, therefore, enables ad
of individual cord lacings extending through the
justment of the machine to be made in a simple
and routine manner, without the exercise of spe
cial care or ability on the part of the lacing ma~
chine operator. The several measuring ?ngers
may be readjusted to bring the cord engaging
portions into alignment during the regular use
of the machine on uppers having straight eyelet“
ted edges and, unless uppers having curved edges
are encountered, the method of operating the
machine involves no troublesome adjustments,
since the measuring ?ngers may be shifted into
aligned positions with their respective lugs 38 in
contact with the levers 30 on which they are
pivoted without the use of a gage.
eyelets and across the edges of the folded upper,
measuring ?ngers over which the cord is passed
by the needles for producing sufficient slack in the
lacings to permit opening out of the upper for ap
plication to a last, and means for adjusting the
positions of the measuring ?ngers comprising a
rod against which the ?ngers are pressed as a
result of the tension in thelacing cord, adjust
able arms for supporting the ends of the rod to
enable the rod to be held in a position at an in
clination to the plane of the folded shoe upper,
and quickly actuable adjusting means for each
individual measuring ?nger to enable the slack
in successive lacings to be increased from one lac
Having thus described my invention, what I 60 ing to another in an amount varying from that
claim as new and desire to secure by Letters Pat
provided by a change in inclination of the rod.
ent of the United States is:
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